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禽支原体感染
释义
禽支原体感染
Encyclopedia
农学
〔禽传染病〕
释
avian mycoplasma infections
禽支原体感染
由多种支原体引起的禽类疾病。危害较大的有鸡毒支原体、滑液囊支原体和火鸡支原体。鸡毒支原体感染鸡引起气管炎及气囊炎,感染火鸡引起气囊炎及鼻窦炎,雏鸡及雏火鸡发生结膜炎;滑液囊支原体主要引起鸡和火鸡的滑液囊炎;火鸡支原体主要引起火鸡孵化率降低,雏火鸡气囊炎、骨畸形。
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planning of schistosomiasis prevention related with water conservancy
planning of soil and water conservation
planning of South Manchuria Railway Company attached land
planning of the 1999 World Horticultural Exposition
Planning of Tianjin Economic and Technological Development Area
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planning of treat and disposal facilities for municipal solid wastes
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planning of urban sanitation facilities
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